| 9729 Saint Joseph St, Leo, IN 46765
The HVAC Company You Have Trusted for Generations

Heating and Air Conditioning in Leo, Indiana

Relax in your home with the correct temperature. Located in Leo, Indiana, Merz Plumbing Heating & Air Conditioning offers a range of high-quality services at affordable prices. With a 25 year history of service to the Fort Wayne area, it is our goal each and every day to ensure we are available 24 hours a day, 365 days a year for your comfort and safety.

Services Include:

  • Plumbing
  • HVAC
  • Spring Visit
  • Fall Visit
  • Kitchen and Bathroom Renovations
  • Maintenance

Outstanding Customer Service

We are a family-owned-and-operated company and provide outstanding customer service. Our experienced, friendly, and knowledgeable staff services all makes and models of plumbing or HVAC equipment.


Merz Plumbing Heating & Air Conditioning started in 1981 and throughout the years, we have grown to employ 13 people, with 12 vans and a commercial building in Leo, Indiana. Our hard work and commitment ensures that we will be successful for many more years to come.
Plumber at work -St.Leo, In- Merz Plumbing Heating & Air Conditioning
Service your furnace before the end of the season! Please check our Special Offers page.
Contact us in Leo, Indiana, to request our bathroom renovations services.